May 2017
Beginner to intermediate
596 pages
15h 2m
English
Content preview from Data Lake for Enterprises
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Yet Another Resource Negotiator (YARN)
Yet Another Resource Negotiator (YARN) was introduced in Hadoop 2 is the primary resource manager for the whole of the Hadoop cluster. This eliminated the single point of failure that existed in Hadoop 1 by spawning multiple job trackers in a Hadoop cluster such that failure of a job tracker does not affect other jobs and ensures re-scheduling of failed jobs to resume from the point of failure.